diff --git a/.github/workflows/build-infra.yaml b/.github/workflows/build-infra.yaml
index d5216c2..0ea1d9d 100644
--- a/.github/workflows/build-infra.yaml
+++ b/.github/workflows/build-infra.yaml
@@ -54,8 +54,8 @@ jobs:
         uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
         with:
           registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: _json_key
+          password: ${{ secrets.GAR_JSON_KEY }}
 
       # Extract metadata (tags, labels) for Docker
       # https://github.com/docker/metadata-action